diff options
author | Ilija Hadzic <ihadzic@research.bell-labs.com> | 2011-10-12 23:29:36 -0400 |
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committer | Dave Airlie <airlied@redhat.com> | 2011-10-18 10:06:23 +0100 |
commit | 6018faf58da5be0f0307b7bd2af113b9a60b7a7e (patch) | |
tree | 8859a2e059cf4e1defb7969070aa7cbd8b4b7d1d /drivers/gpu/drm | |
parent | 7dbf41db327ebcbc0d28a2b39afcbd60664094e6 (diff) | |
download | linux-6018faf58da5be0f0307b7bd2af113b9a60b7a7e.tar.bz2 |
drm/radeon/kms: demystify evergreen blit code
some bits in 3D registers used by blit functions look like
magic and this is hard to follow; change them to a little bit
more meaningful pre-defined constants
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/radeon/evergreen_blit_kms.c | 29 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 42 |
2 files changed, 62 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c index f073dc9af116..5befd5139002 100644 --- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c +++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c @@ -60,7 +60,9 @@ set_render_target(struct radeon_device *rdev, int format, if (h < 8) h = 8; - cb_color_info = ((format << 2) | (1 << 24) | (2 << 8)); + cb_color_info = CB_FORMAT(format) | + CB_SOURCE_FORMAT(CB_SF_EXPORT_NORM) | + CB_ARRAY_MODE(ARRAY_1D_TILED_THIN1); pitch = (w / 8) - 1; slice = ((w * h) / 64) - 1; @@ -137,12 +139,16 @@ set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr) u32 sq_vtx_constant_word2, sq_vtx_constant_word3; /* high addr, stride */ - sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8)); + sq_vtx_constant_word2 = SQ_VTXC_BASE_ADDR_HI(upper_32_bits(gpu_addr) & 0xff) | + SQ_VTXC_STRIDE(16); #ifdef __BIG_ENDIAN - sq_vtx_constant_word2 |= (2 << 30); + sq_vtx_constant_word2 |= SQ_VTXC_ENDIAN_SWAP(SQ_ENDIAN_8IN32); #endif /* xyzw swizzles */ - sq_vtx_constant_word3 = (0 << 3) | (1 << 6) | (2 << 9) | (3 << 12); + sq_vtx_constant_word3 = SQ_VTCX_SEL_X(SQ_SEL_X) | + SQ_VTCX_SEL_Y(SQ_SEL_Y) | + SQ_VTCX_SEL_Z(SQ_SEL_Z) | + SQ_VTCX_SEL_W(SQ_SEL_W); radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 8)); radeon_ring_write(rdev, 0x580); @@ -153,7 +159,7 @@ set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr) radeon_ring_write(rdev, 0); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, 0); - radeon_ring_write(rdev, SQ_TEX_VTX_VALID_BUFFER << 30); + radeon_ring_write(rdev, S__SQ_CONSTANT_TYPE(SQ_TEX_VTX_VALID_BUFFER)); if ((rdev->family == CHIP_CEDAR) || (rdev->family == CHIP_PALM) || @@ -180,14 +186,19 @@ set_tex_resource(struct radeon_device *rdev, if (h < 1) h = 1; - sq_tex_resource_word0 = (1 << 0); /* 2D */ + sq_tex_resource_word0 = TEX_DIM(SQ_TEX_DIM_2D); sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 6) | ((w - 1) << 18)); - sq_tex_resource_word1 = ((h - 1) << 0) | (2 << 28); + sq_tex_resource_word1 = ((h - 1) << 0) | + TEX_ARRAY_MODE(ARRAY_1D_TILED_THIN1); /* xyzw swizzles */ - sq_tex_resource_word4 = (0 << 16) | (1 << 19) | (2 << 22) | (3 << 25); + sq_tex_resource_word4 = TEX_DST_SEL_X(SQ_SEL_X) | + TEX_DST_SEL_Y(SQ_SEL_Y) | + TEX_DST_SEL_Z(SQ_SEL_Z) | + TEX_DST_SEL_W(SQ_SEL_W); - sq_tex_resource_word7 = format | (SQ_TEX_VTX_VALID_TEXTURE << 30); + sq_tex_resource_word7 = format | + S__SQ_CONSTANT_TYPE(SQ_TEX_VTX_VALID_TEXTURE); radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 8)); radeon_ring_write(rdev, 0); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 7363d9dec909..b937c49054d9 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -941,11 +941,15 @@ #define CB_COLOR0_SLICE 0x28c68 #define CB_COLOR0_VIEW 0x28c6c #define CB_COLOR0_INFO 0x28c70 +# define CB_FORMAT(x) ((x) << 2) # define CB_ARRAY_MODE(x) ((x) << 8) # define ARRAY_LINEAR_GENERAL 0 # define ARRAY_LINEAR_ALIGNED 1 # define ARRAY_1D_TILED_THIN1 2 # define ARRAY_2D_TILED_THIN1 4 +# define CB_SOURCE_FORMAT(x) ((x) << 24) +# define CB_SF_EXPORT_FULL 0 +# define CB_SF_EXPORT_NORM 1 #define CB_COLOR0_ATTRIB 0x28c74 #define CB_COLOR0_DIM 0x28c78 /* only CB0-7 blocks have these regs */ @@ -1107,15 +1111,53 @@ #define CB_COLOR7_CLEAR_WORD3 0x28e3c #define SQ_TEX_RESOURCE_WORD0_0 0x30000 +# define TEX_DIM(x) ((x) << 0) +# define SQ_TEX_DIM_1D 0 +# define SQ_TEX_DIM_2D 1 +# define SQ_TEX_DIM_3D 2 +# define SQ_TEX_DIM_CUBEMAP 3 +# define SQ_TEX_DIM_1D_ARRAY 4 +# define SQ_TEX_DIM_2D_ARRAY 5 +# define SQ_TEX_DIM_2D_MSAA 6 +# define SQ_TEX_DIM_2D_ARRAY_MSAA 7 #define SQ_TEX_RESOURCE_WORD1_0 0x30004 # define TEX_ARRAY_MODE(x) ((x) << 28) #define SQ_TEX_RESOURCE_WORD2_0 0x30008 #define SQ_TEX_RESOURCE_WORD3_0 0x3000C #define SQ_TEX_RESOURCE_WORD4_0 0x30010 +# define TEX_DST_SEL_X(x) ((x) << 16) +# define TEX_DST_SEL_Y(x) ((x) << 19) +# define TEX_DST_SEL_Z(x) ((x) << 22) +# define TEX_DST_SEL_W(x) ((x) << 25) +# define SQ_SEL_X 0 +# define SQ_SEL_Y 1 +# define SQ_SEL_Z 2 +# define SQ_SEL_W 3 +# define SQ_SEL_0 4 +# define SQ_SEL_1 5 #define SQ_TEX_RESOURCE_WORD5_0 0x30014 #define SQ_TEX_RESOURCE_WORD6_0 0x30018 #define SQ_TEX_RESOURCE_WORD7_0 0x3001c +#define SQ_VTX_CONSTANT_WORD0_0 0x30000 +#define SQ_VTX_CONSTANT_WORD1_0 0x30004 +#define SQ_VTX_CONSTANT_WORD2_0 0x30008 +# define SQ_VTXC_BASE_ADDR_HI(x) ((x) << 0) +# define SQ_VTXC_STRIDE(x) ((x) << 8) +# define SQ_VTXC_ENDIAN_SWAP(x) ((x) << 30) +# define SQ_ENDIAN_NONE 0 +# define SQ_ENDIAN_8IN16 1 +# define SQ_ENDIAN_8IN32 2 +#define SQ_VTX_CONSTANT_WORD3_0 0x3000C +# define SQ_VTCX_SEL_X(x) ((x) << 3) +# define SQ_VTCX_SEL_Y(x) ((x) << 6) +# define SQ_VTCX_SEL_Z(x) ((x) << 9) +# define SQ_VTCX_SEL_W(x) ((x) << 12) +#define SQ_VTX_CONSTANT_WORD4_0 0x30010 +#define SQ_VTX_CONSTANT_WORD5_0 0x30014 +#define SQ_VTX_CONSTANT_WORD6_0 0x30018 +#define SQ_VTX_CONSTANT_WORD7_0 0x3001c + /* cayman 3D regs */ #define CAYMAN_VGT_OFFCHIP_LDS_BASE 0x89B0 #define CAYMAN_DB_EQAA 0x28804 |